From Old French suin de verre, suint de verre, literally "grease of glass".
sandiver (uncountable)
A scum that forms on molten glass.
• invaders, vianders
Source: Wiktionary
San"di*ver, n. Etym: [Perh. fr. OF. sa\'8bn grease, fat + de of + verre glass (cf. Saim), or fr. F. sel de verre sandiver.]
Definition: A whitish substance which is cast up, as a scum, from the materials of glass in fusion, and, floating on the top, is skimmed off; -- called also glass gall. [Formerly written also sandever.]
Source: Webster’s Unabridged Dictionary 1913 Edition
7 May 2025
(noun) a person who is employed to deliver messages or documents; “he sent a runner over with the contract”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
